Tub



FIG. 1 is a perspective view from top, front and side of a tub in accordance with my new design;

FIG. 2 is a elevational view of the side thereof;

FIG. 3 is a elevational view of the opposite side thereof;

FIG. 4 is a elevational view of the front thereof;

FIG. 5 is a elevational view of the rear thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The broken lines in the drawings depict unclaimed environmental subject matter. Portions of the disclosure shown in broken lines form no part of the claimed design. 

CLAIM The ornamental design for an tub, as shown and described. 